Home / 972,226.80-1,458,340.20-913,129.20

Finding the Fourth Proportional to 972,226.80, 1,458,340.20 and 913,129.20

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Solution

The fourth proportional to 972,226.80, 1,458,340.20 and 913,129.20 is: 1,369,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,226.80 : 1,458,340.20 = 913,129.20 : x
  2. Step 2: Convert to fraction form
    972,226.80/1,458,340.20 = 913,129.20/x
  3. Step 3: Cross multiply
    972,226.80x = 1,458,340.20 × 913,129.20
  4. Step 4: Simplify right side
    972,226.80x = 1,331,653,020,153.84
  5. Step 5: Solve for x
    x = 1,331,653,020,153.84/972,226.80
  6. Step 6: Final answer
    x = 1,369,693.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.